CVE-2025-29534
📋 TL;DR
An authenticated remote code execution vulnerability in PowerStick Wave Dual-Band Wifi Extender V1.0 allows attackers with valid credentials to execute arbitrary commands with root privileges. This affects users of the vulnerable device who have not applied patches or workarounds.
💻 Affected Systems
- PowerStick Wave Dual-Band Wifi Extender
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise allowing attacker to install persistent backdoors, pivot to internal networks, steal sensitive data, or render device inoperable.
Likely Case
Attacker gains complete control of affected wifi extender, potentially using it to intercept network traffic or launch attacks against other devices.
If Mitigated
Limited impact if strong authentication controls and network segmentation prevent unauthorized access to management interface.
🎯 Exploit Status
Exploit requires valid credentials but provides root access. Public proof-of-concept available in GitHub gist.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: http://wave.com
Restart Required: No
Instructions:
Check vendor website for firmware updates. If available, download and apply following vendor instructions.
🔧 Temporary Workarounds
Disable CGI endpoint
linuxRemove or restrict access to vulnerable /cgi-bin/cgi_vista.cgi executable
chmod 000 /cgi-bin/cgi_vista.cgi
rm /cgi-bin/cgi_vista.cgi
Network segmentation
allIsolate wifi extender on separate VLAN with restricted access
🧯 If You Can't Patch
- Change default credentials and implement strong authentication
- Restrict management interface access to trusted IP addresses only
🔍 How to Verify
Check if Vulnerable:
Check if /cgi-bin/cgi_vista.cgi exists and is executable on deviceCheck Version:
Check device web interface or use vendor-specific CLI commandsVerify Fix Applied:
Verify /cgi-bin/cgi_vista.cgi is removed or non-executable, or firmware version is updated📡 Detection & Monitoring
Log Indicators:
- Unusual CGI execution patterns
- Multiple failed authentication attempts followed by successful login
Network Indicators:
- Unexpected outbound connections from wifi extender
- Suspicious traffic to/from management interface
SIEM Query:
source="wifi-extender" AND (uri="/cgi-bin/cgi_vista.cgi" OR cmd="system")